What is the value of 12(-2) expression?

What are the two prime numbers of 55? How do you write twelve eight thousand? What is 1 over 8 divided by 1 over 7? What did people use before the ruler evolved? If x is an odd number write an expression for the odd number that comes directly before x? When a symbol such as less than or greater than is placed between two expressions what is it called? How do you write four hundred twenty and three four tenths in standard form? What is 9 square root divided by 6? Define implied line? How many acres is 2000 ft by 2000 ft? What is 0.02353 rounded to two significant figures? How many significant figures are there in the value 4750300? What is the rule for this pattern 9 13 17 21 25? Is 2 cot x sin x cos x equals 2 2 sin 2 x an identity? A jar contains 10 red marbels and 30 green ones How many red marbels must be added to the jar so that 60 percent of the marbels will be red? What is 105 as a product of prime numbers? How many libras in one kilo? What is 7.2 km in m? How do you graph x minus y equals 3? How many milliliters equal 456 cl?

What is the value of 12(-2) expression?